1 #
   2 # CDDL HEADER START
   3 #
   4 # The contents of this file are subject to the terms of the
   5 # Common Development and Distribution License (the "License").
   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 #
  22 # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  23 # Use is subject to license terms.
  24 #
  25 # Copyright (c) 2013 by Delphix. All rights reserved.
  26 # Copyright 2015, Joyent, Inc.
  27 #
  28 
  29 .KEEP_STATE:
  30 .SUFFIXES:
  31 
  32 include $(SRC)/cmd/mdb/Makefile.tools
  33 
  34 #
  35 # Make sure we're getting a consistent execution environment for the
  36 # embedded scripts.
  37 #
  38 SHELL= /usr/bin/ksh93
  39 
  40 $(KMOD_SOURCES_DIFFERENT)KMODSRCS = $(MODSRCS)
  41 $(KMOD_SOURCES_DIFFERENT)KMODASMSRCS = $(MODASMSRCS)
  42 
  43 MODOBJS = $(MODSRCS:%.c=dmod/%.o) $(MODASMSRCS:%.s=dmod/%.o)
  44 KMODOBJS = $(KMODSRCS:%.c=kmod/%.o) $(KMODASMSRCS:%.s=kmod/%.o)
  45 
  46 MODNAME_cmd = if [ -n "$(MODULE_NAME)" ]; then print $(MODULE_NAME); else print $(MODULE)| sed -e 's:\.so$$::'; fi
  47 MODNAME = $(MODNAME_cmd:sh)
  48 KMODULE = $(MODNAME)
  49 
  50 MODFILE = dmod/$(MODULE)
  51 KMODFILE = kmod/$(KMODULE)
  52 
  53 #
  54 # The mess below is designed to pick the right set of objects to build and/or
  55 # lint.  We have three flavors:
  56 #
  57 #  1. proc and raw modules.  Only $(MODOBJS) are built.
  58 #  2. kvm modules for systems without kmdb.  Only $(MODOBJS) are built.
  59 #  3. kvm modules for systems with kmdb.  $(MODOBJS) and $(KMODOBJS) are built.
  60 #
  61 # Complicating matters, we'd like to make the distinction between 2 and 3 before
  62 # this Makefile is loaded.  By default, we'll assume that all kvm modules should
  63 # be built for kmdb.  If, however, the user sets $(MODULE_BUILD_TYPE) to `mdb',
  64 # the kmdb variant of the module won't be built.
  65 #
  66 
  67 # Which flavors are to be built?
  68 TARGETS_kvm_type_       = both  # Build both if $(MODULE_BUILD_TYPE) is unset
  69 TARGETS_kvm_type_kmdb   = both
  70 TARGETS_kvm_type_mdb    = mdb
  71 TARGETS_kvm_type        = $(TARGETS_kvm_type_$(MODULE_BUILD_TYPE))
  72 
  73 # What should we build?
  74 TARGETS_kvm_kmdb        = $(KMODFILE)
  75 TARGETS_kvm_mdb         = $(MODFILE)
  76 TARGETS_kvm_both        = $(TARGETS_kvm_mdb) $(TARGETS_kvm_kmdb)
  77 TARGETS_kvm             = $(TARGETS_kvm_$(TARGETS_kvm_type))
  78 TARGETS_proc            = $(MODFILE)
  79 TARGETS_raw             = $(MODFILE)
  80 TARGETS                 = $(TARGETS_$(MDBTGT))
  81 
  82 # Where should we install that which we've built?
  83 ROOTTGTS_kvm_type       = $(TARGETS_kvm_type)   # overridden by mdb_ks
  84 ROOTTGTS_kvm_kmdb       = $(ROOTKMOD)/$(KMODULE)
  85 ROOTTGTS_kvm_mdb        = $(ROOTMOD)/$(MODULE)
  86 ROOTTGTS_kvm_both       = $(ROOTTGTS_kvm_mdb) $(ROOTTGTS_kvm_kmdb)
  87 ROOTTGTS_kvm            = $(ROOTTGTS_kvm_$(ROOTTGTS_kvm_type))
  88 ROOTTGTS_proc           = $(ROOTMOD)/$(MODULE)
  89 ROOTTGTS_raw            = $(ROOTMOD)/$(MODULE)
  90 ROOTTGTS                = $(ROOTTGTS_$(MDBTGT))
  91 
  92 # What should we lint?
  93 KLINTOBJS               = $(KMODOBJS:%.o=%.ln)
  94 LINTOBJS                = $(MODOBJS:%.o=%.ln)
  95 
  96 LINTFILES_kvm_type      = $(TARGETS_kvm_type)
  97 LINTFILES_kvm_both      = $(KLINTOBJS) $(LINTOBJS)
  98 LINTFILES_kvm_mdb       = $(LINTOBJS)
  99 LINTFILES_kvm           = $(LINTFILES_kvm_$(LINTFILES_kvm_type))
 100 LINTFILES_proc          = $(LINTOBJS)
 101 LINTFILES_raw           = $(LINTOBJS)
 102 LINTFILES               = $(LINTFILES_$(MDBTGT))
 103 
 104 #
 105 # Python specific flags. To try and make life easier for folks how are
 106 # building with an LFS python, we attempt to use -isystem when it's
 107 # available.
 108 #
 109 PYCPPFLAGS              = -_gcc=-isystem -_gcc=$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 110 PYCPPFLAGS              += -_cc=-I$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 111 PYLNFLAGS               = -I$(ADJUNCT_PROTO)/usr/include/python$(PYTHON_VERSION)
 112 
 113 kvm_TGTFLAGS            = -D_KERNEL
 114 proc_TGTFLAGS           = -D_USER
 115 
 116 CSTD                    = $(CSTD_GNU99)
 117 
 118 CFLAGS                  += $(CCVERBOSE)
 119 CFLAGS64                += $(CCVERBOSE)
 120 CPPFLAGS                += $($(MDBTGT)_TGTFLAGS) -I../../../common
 121 LDFLAGS                 += $(ZTEXT)
 122 LDFLAGS64               += $(ZTEXT)
 123 ASFLAGS                 += -P
 124 AS_CPPFLAGS             += -D_ASM
 125 
 126 # Module type-specific compiler flags
 127 $(MODOBJS) :=                   CFLAGS += $(C_BIGPICFLAGS) $(XREGSFLAG)
 128 $(MODOBJS) :=                   CFLAGS64 += $(C_BIGPICFLAGS) $(XREGSFLAG)
 129 $(KMODOBJS) $(KLINTOBJS) :=     CPPFLAGS += -D_KMDB
 130 $(KMODOBJS) :=                  V9CODESIZE = $(CCABS32)
 131 $(KMODOBJS) :=                  DTS_ERRNO =
 132 
 133 # Modules aren't allowed to export symbols
 134 MAPFILE         = $(SRC)/cmd/mdb/common/modules/conf/mapfile
 135 
 136 # Modules typically make external references.  To provide for -zdefs use
 137 # and clean ldd(1) processing, explicitly define all external references.
 138 MAPFILE-EXT     = $(SRC)/cmd/mdb/common/modules/conf/mapfile-extern
 139 
 140 #
 141 # kmdb is a kernel module, so we'll use the kernel's build flags.
 142 $(KMODOBJS) := CFLAGS64 += $(STAND_FLAGS_64)
 143 
 144 #
 145 # Override this to pull source files from another directory
 146 #
 147 MODSRCS_DIR = ../../../common/modules/genunix
 148 
 149 all: $$(TARGETS)
 150 
 151 install: all $$(ROOTTGTS)
 152 
 153 dmods: install
 154 
 155 clean.lint:
 156         $(RM) $(LINTFILES) $(MODSRCS:.c=.ln)
 157 
 158 clean:
 159         $(RM) $(MODOBJS) $(KMODOBJS) $(CLEANFILES)
 160 
 161 clobber: clean clean.lint
 162         $(RM) $(MODFILE) $(KMODFILE) $(CLOBBERFILES)
 163 
 164 lint: $$(LINTFILES)
 165 
 166 .NO_PARALLEL:
 167 .PARALLEL: $(MODOBJS) $(KMODOBJS) mdb_tgt kmdb_tgt dmod kmod \
 168         $(TARGETS) $(LINTFILES)
 169 
 170 $(MODFILE): dmod .WAIT $(MODOBJS) $$(MAPFILE-EXT)
 171         $(LINK.c) $(ZDEFS) $(ZIGNORE) $(MAPFILE-EXT:%=-M%) $(GSHARED) \
 172             $(MODOBJS) -o $@ $(LDLIBS) -lc
 173         $(CTFMERGE) -L VERSION -o $@ $(MODOBJS)
 174         $(POST_PROCESS_SO)
 175 
 176 #
 177 # kmdb dmods must *not* stray from the module API.  To ensure that they don't,
 178 # we try to link them, at build time, against an object that exports the symbols
 179 # that they can legally use.  The link test object is, however, only built when
 180 # kmdb itself is built.  Requiring module developers to build kmdb first would
 181 # be painful, so by default, module-level builds don't do the link test (the
 182 # $(POUND_SIGN) assignment below takes care of that).  Builds of the entire
 183 # tree can, however, guarantee the construction of kmdb first, and as such can
 184 # override the setting of $(KMDB_LINKTEST_ENABLE).  This override causes the
 185 # link test to be run.
 186 #
 187 # Developers wanting to force a link test for a single module can use the
 188 # `linktest' target from within a module directory.
 189 #
 190 LINKTESTOBJ = $(KMDBDIR)/kmdb_modlinktest.o
 191 
 192 KMDB_LINKTEST = \
 193         $(LD) $(ZDEFS) -dy -r -o $@.linktest $(KMODOBJS) \
 194         $(STANDOBJS) $(LINKTESTOBJ) && \
 195         $(RM) $@.linktest
 196 
 197 KMDB_LINKTEST_ENABLE=$(POUND_SIGN)
 198 $(KMDB_LINKTEST_ENABLE)KMDB_LINKTEST_CMD = $(KMDB_LINKTEST)
 199 
 200 #
 201 # Ensure that dmods don't use floating point
 202 #
 203 KMDB_FPTEST_CMD = $(KMDB_FPTEST)
 204 
 205 $(KMODFILE): kmod .WAIT $(KMODOBJS) $(MAPFILE)
 206         $(LD) -dy -r $(MAPFILE:%=-M%) -Nmisc/kmdbmod -o $@ $(KMODOBJS) \
 207         $(STANDOBJS)
 208         $(KMDB_LINKTEST_CMD)
 209         $(KMDB_FPTEST_CMD)
 210         $(CTFMERGE) -f -L VERSION -o $@ $(KMODOBJS)
 211         $(POST_PROCESS)
 212         $(SETDYNFLAG) -f DF_1_NOKSYMS $@
 213 
 214 linktest: linktest_check .WAIT kmod .WAIT $(KMODOBJS)
 215         $(KMDB_LINKTEST)
 216 
 217 linktest_check:
 218         @if [ "$(MDBTGT)" != "kvm" ] ; then \
 219                 echo "ERROR: linktest is not supported non-kvm/disasm dmods" \
 220                     >&2 ; \
 221                 exit 1 ; \
 222         fi
 223 
 224 #
 225 # Dynamic rules for object construction
 226 #
 227 dmod/%.o kmod/%.o: %.c
 228         $(COMPILE.c) -o $@ $<
 229         $(CTFCONVERT_O)
 230 
 231 dmod/%.o kmod%.o: %.s
 232         $(COMPILE.s) -o $@ $<
 233         $(CTFCONVERT_O)
 234 
 235 dmod/%.o kmod/%.o: ../%.c
 236         $(COMPILE.c) -o $@ $<
 237         $(CTFCONVERT_O)
 238 
 239 dmod/%.o kmod%.o: ../%.s
 240         $(COMPILE.s) -o $@ $<
 241         $(CTFCONVERT_O)
 242 
 243 dmod/%.o kmod/%.o: ../../../common/modules/$(MODNAME)/%.c
 244         $(COMPILE.c) -o $@ $<
 245         $(CTFCONVERT_O)
 246 
 247 dmod/%.o kmod%.o: ../../../common/modules/$(MODNAME)/%.s
 248         $(COMPILE.s) -o $@ $<
 249         $(CTFCONVERT_O)
 250 
 251 dmod/%.o kmod/%.o: $$(MODSRCS_DIR)/%.c
 252         $(COMPILE.c) -o $@ $<
 253         $(CTFCONVERT_O)
 254 
 255 dmod/%.o kmod%.o: $$(MODSRCS_DIR)/%.s
 256         $(COMPILE.s) -o $@ $<
 257         $(CTFCONVERT_O)
 258 
 259 #
 260 # Lint
 261 #
 262 dmod/%.ln kmod/%.ln: %.c
 263         $(LINT.c) -dirout=$(@D) -c $<
 264 
 265 dmod/%.ln kmod/%.ln: %.s
 266         $(LINT.s) -dirout=$(@D) -c $<
 267 
 268 dmod/%.ln kmod/%.ln: ../%.c
 269         $(LINT.c) -dirout=$(@D) -c $<
 270 
 271 dmod/%.ln kmod/%.ln: ../%.s
 272         $(LINT.s) -dirout=$(@D) -c $<
 273 
 274 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.c
 275         $(LINT.c) -dirout=$(@D) -c $<
 276 
 277 dmod/%.ln kmod/%.ln: ../../../common/modules/$(MODNAME)/%.s
 278         $(LINT.s) -dirout=$(@D) -c $<
 279 
 280 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.c
 281         $(LINT.c) -dirout=$(@D) -c $<
 282 
 283 dmod/%.ln kmod/%.ln: $$(MODSRCS_DIR)/%.s
 284         $(LINT.s) -dirout=$(@D) -c $<
 285 
 286 #
 287 # Installation targets
 288 #
 289 
 290 $(ROOT)/usr/lib/mdb/$(MDBTGT): $(ROOT)/usr/lib/mdb
 291         $(INS.dir)
 292 
 293 $(ROOT)/usr/lib/mdb:
 294         $(INS.dir)
 295 
 296 $(ROOT)/kernel/kmdb:
 297         $(INS.dir)
 298 
 299 $(ROOTMOD)/$(MODULE): $(ROOTMOD)
 300 
 301 $(ROOTKMOD)/$(KMODULE): $(ROOTKMOD)
 302 
 303 kmod dmod:
 304         -@mkdir -p $@